Includes index.; Genes and inheritance: Variations of a theme -- Discovering genes -- Gene carriers -- New generations -- Gene variation -- Girl or boy? -- Nature or nurture? -- Two of a kind -- DNA: Molecule of life -- Discovering DNA -- Double helix --
Includes bibliographical references and index.;
Includes bibliographical references (p. 123-124) and index.; Discusses genes, genetics, and the legal and ethical issues involved in mapping DNA in the human body.;